hours. >> if you don't, then you end up getting the fbi will open a file against you and you end up going to jail. >> is there one design that patients react to? >> yes. this is one of them. >> walden is not easy taken by scams. >> i'm trained to use medication as the last resort. by wearing the scrubs, you find most of the time the patient is spending time talking about how beautiful they look, where did you get them from and they forget about the pain. >> he's a stickler for details. you'll see that the fbi's name is missing the word oath. >> if i can have ten, 15, 20 people because they are wearing this, i will be doing a service to my community. >> fbi is aware of the scam. it essentially holds your computer hostage and demands a payment. an fbi spokeswoman told us we would never ask americans for money. cyber criminals know if they use the name of a law enforcement agency. it is not legitimate and if it happened to you, your computer han compromised and you want to make sure it is virus-free before you use it again. >> for more information, go to our website, wusa9.com.